Journal of Korean Society of Rural Planning (농촌계획)

Korean Society of Rural Planning (한국농촌계획학회)
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Correlation between Impervious Surface Area Rate and Urbanization Indicators at the Si-Gun Level

시군단위의 불투수면적률과 도시화 지표의 상관성 분석

  • Jang, Min-Won (Dept. of Agricultural Engineering.Institute of Agriculture & Life Sciences, Gyeongsang National University) ;
  • Kim, Hyeonjoon (Dept. of Agricultural Engineering, Gyeongsang National University) ;
  • Choi, Yoonhee (Dept. of Agricultural Engineering, Gyeongsang National University) ;
  • Kim, Hakkwan (Graduate School of International Agricultural Technology.Institutes of Green Bio Science and Technology, Seoul National University)
  • 장민원 (경상국립대학교 지역시스템공학과.농업생명과학연구원 ) ;
  • 김현준 (경상국립대학교 지역시스템공학과) ;
  • 최윤희 (경상국립대학교 지역시스템공학과) ;
  • 김학관 (서울대학교 국제농업기술대학원.그린바이오과학기술연구원)
  • Received : 2023.09.20
  • Accepted : 2023.11.20
  • Published : 2023.11.30
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Abstract

This study investigated the correlation between impervious surface area rate(ISAR) and various urbanization indicators at the si-gun administrative level. For the years 2017 and 2021, we built correlation matrices to examine the relationships between ISAR and eight urbanization indicators, including total population, working-age population, residential power consumption, non-agricultural power consumption, paved road length, permitted development area, numbers of registered vehicles, and cadastral 'Dae' parcel area. Additionally, K-means clustering was employed to classify the 229 si-guns based on the ISAR change patterns. The analysis revealed a significant positive correlation between ISAR and urbanization indicators for both years studied. However, the interannual comparison showed a noticeably weaker correlation between changes in ISAR and urbanization indicators from 2017 to 2021. The K-means analysis also showed that si-guns with higher ISAR values, typically urban areas, demonstrated a weaker correlation, while the cluster consisting mostly of rural areas with lower ISAR displayed stronger correlations. These results suggested that ISAR should be a significant factor for consideration in sustainable rural planning and development strategies.

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References

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